Senior Software Engineer

Walmart • Sunnyvale, CA

5d • Onsite

About The Position

What you'll do... Position: Senior Software Engineer Job Location: 1375 Crossman Avenue, Sunnyvale CA 94089 Duties: Work cross functionally between leading the Analytics track, supporting data science and engineering division within the team and partnering with different business teams such as Luminate, Finance and Health and Wellness to provide support using advanced analytics, model building and data engineering methodologies and tools. Develop internal and external business specific Key Performance Indicator metrics using Spark, Hive SQL, and Scala; Automate and productionize large scale executive dashboards for active tracking of current state using Tableau and Power BI. Use advanced analytics and descriptive statistics to implement exploratory data analysis on large amount of data to identify opportunity areas to improve precision, coverage, and completeness; perform impact analysis to identify risk vs gain for each new feature or experiments; conduct quality assurance analysis on existing and new machine learning model production releases; perform root cause analysis (RCA) for identifying bugs in the production pipeline and implementing best practices to avoid reoccurrence; and dive deep into the data to understand and formulate actionable insights to aid the team/business in making data driven decisions. Design, develop and deploy new features into the production pipeline to improve the precision, coverage, and completeness of the data using Spark SQL, Scala, and Apache Airflow and build and automate processes for generating large scale business specific tables for downstream consumption using BQ. Use large language models on large amount of data to identify noisy or invalid records and formulate new course of action for improving the data quality using Python and SQL. Use predictive and descriptive analytics to create feedback loop for the production models to be more precise using Spark and Hive SQL. Minimum education and experience required: Master’s degree or the equivalent in Computer Science, Engineering (any) or related field and 2 years of experience in large scale enterprise software development environment; OR Bachelor's degree or the equivalent in Computer Science, Engineering (any) or related field and 5 years of experience in large scale enterprise software development environment. Skills required: Experience with programming language including Scala. Experience coding in an object-oriented programming language including Python. Experience writing advanced SQL queries and understanding of relational database. Experience using Tableau, Power BI, and Looker to build executive dashboards. Experience building pipelines using tools including Alteryx, Apache Airflow and Jenkins. Experience working with big data systems including Hadoop, Hive, Spark and Presto to build out a highly reliable, performant, easy to use software systems. Experience coding using languages including Pyspark and Jupyter notebook. Experience using tools including Git and GitHub for engineering excellence. Experience building machine learning models including unsupervised and supervised models, clustering models, xgboost model, and knn regressor in R and Python. Employer will accept any amount of experience with the required skills. Salary Range: $210,709/year to $234,000/year. Additional compensation includes annual or quarterly performance incentives. Benefits: At Walmart, we offer competitive pay as well as performance-based incentive awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty and voting. Other benefits include short-term and long-term disability, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart.com. Wal-Mart is an Equal Opportunity Employer. #LI-DNI #LI-DNP Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment. About Walmart: Fifty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world's biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we're reinventing the shopping experience and our associates are at the heart of it. You'll play a crucial role in shaping the future of retail, improving millions of lives around the world. This is that place where your passions meet purpose. Join our family and create a career you're proud of.

Requirements

• Experience with programming language including Scala.
• Experience coding in an object-oriented programming language including Python.
• Experience writing advanced SQL queries and understanding of relational database.
• Experience using Tableau, Power BI, and Looker to build executive dashboards.
• Experience building pipelines using tools including Alteryx, Apache Airflow and Jenkins.
• Experience working with big data systems including Hadoop, Hive, Spark and Presto to build out a highly reliable, performant, easy to use software systems.
• Experience coding using languages including Pyspark and Jupyter notebook.
• Experience using tools including Git and GitHub for engineering excellence.
• Experience building machine learning models including unsupervised and supervised models, clustering models, xgboost model, and knn regressor in R and Python.
• Master’s degree or the equivalent in Computer Science, Engineering (any) or related field and 2 years of experience in large scale enterprise software development environment; OR Bachelor's degree or the equivalent in Computer Science, Engineering (any) or related field and 5 years of experience in large scale enterprise software development environment.

Responsibilities

• Work cross functionally between leading the Analytics track, supporting data science and engineering division within the team and partnering with different business teams such as Luminate, Finance and Health and Wellness to provide support using advanced analytics, model building and data engineering methodologies and tools.
• Develop internal and external business specific Key Performance Indicator metrics using Spark, Hive SQL, and Scala
• Automate and productionize large scale executive dashboards for active tracking of current state using Tableau and Power BI.
• Use advanced analytics and descriptive statistics to implement exploratory data analysis on large amount of data to identify opportunity areas to improve precision, coverage, and completeness
• Perform impact analysis to identify risk vs gain for each new feature or experiments
• Conduct quality assurance analysis on existing and new machine learning model production releases
• Perform root cause analysis (RCA) for identifying bugs in the production pipeline and implementing best practices to avoid reoccurrence
• Dive deep into the data to understand and formulate actionable insights to aid the team/business in making data driven decisions.
• Design, develop and deploy new features into the production pipeline to improve the precision, coverage, and completeness of the data using Spark SQL, Scala, and Apache Airflow and build and automate processes for generating large scale business specific tables for downstream consumption using BQ.
• Use large language models on large amount of data to identify noisy or invalid records and formulate new course of action for improving the data quality using Python and SQL.
• Use predictive and descriptive analytics to create feedback loop for the production models to be more precise using Spark and Hive SQL.

Benefits

• At Walmart, we offer competitive pay as well as performance-based incentive awards and other great benefits for a happier mind, body, and wallet.
• Health benefits include medical, vision and dental coverage.
• Financial benefits include 401(k), stock purchase and company-paid life insurance.
• Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty and voting.
• Other benefits include short-term and long-term disability, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more.
• Eligibility requirements apply to some benefits and may depend on your job classification and length of employment.
• Benefits are subject to change and may be subject to a specific plan or program terms.
• For information about benefits and eligibility, see One.Walmart.com.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior